1 /* Install given floating-point environment and raise exceptions
2 (soft-float edition).
3 Copyright (C) 2002-2022 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <https://www.gnu.org/licenses/>. */
19
20 #include "soft-fp.h"
21 #include "soft-supp.h"
22 #include <signal.h>
23
24 int
__feupdateenv(const fenv_t * envp)25 __feupdateenv (const fenv_t *envp)
26 {
27 int saved_exceptions;
28
29 /* Save currently set exceptions. */
30 saved_exceptions = __sim_exceptions_thread;
31
32 /* Set environment. */
33 __fesetenv (envp);
34
35 /* Raise old exceptions. */
36 __sim_exceptions_thread |= saved_exceptions;
37 SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread);
38 if (saved_exceptions & ~__sim_disabled_exceptions_thread)
39 raise (SIGFPE);
40
41 return 0;
42 }
43
44 #include <shlib-compat.h>
45 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
46 strong_alias (__feupdateenv, __old_feupdateenv)
47 compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
48 #endif
49
50 libm_hidden_def (__feupdateenv)
51 libm_hidden_ver (__feupdateenv, feupdateenv)
52 versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);
53